CN220578941U

CN220578941U - Dosing device for sewage treatment

Info

Publication number: CN220578941U
Application number: CN202320689081.5U
Authority: CN
Inventors: 沈树勇; 李孝冬; 刘二锋
Original assignee: Hefei Zhuzhuanjing Sewage Treatment Co ltd
Current assignee: Hefei Zhuzhuanjing Sewage Treatment Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2024-03-12
Anticipated expiration: 2033-03-31

Abstract

The utility model relates to a dosing device for sewage treatment, which comprises a water pump, a hose and a liquid storage tank, wherein the hose and the liquid storage tank are communicated with each other, one end of the hose is communicated with a driving mechanism, both sides of the driving mechanism are provided with sewage stirring mechanisms, a medicine discharging mechanism is arranged below the driving mechanism, the medicine discharging mechanism is provided with a cleaning mechanism, when the water pump is started, medicine liquid is pumped out of the liquid storage tank, the medicine liquid flows through the driving mechanism to drive the sewage stirring mechanism to work, then the medicine liquid is discharged from the medicine discharging mechanism, and the cleaning mechanism is driven to reciprocate; through connecting axle, carousel, movable rod and clearance strip, the clearance strip slides along the inner wall of flowing back groove, scrapes attached deposit or impurity at flowing back groove inner wall adhesion, avoids deposit or impurity deposit in the inside of flowing back board, guarantees the unobstructed of flowing back groove, guarantees going on in succession of the process of dosing.

Description

Dosing device for sewage treatment

Technical Field

The utility model relates to the technical field of environmental protection, in particular to a dosing device for sewage treatment.

Background

In order to achieve the water quality requirement of draining sewage into a certain water body or reusing the sewage, the sewage treatment method is quite a lot, generally can be generalized into a physical method, a chemical method, a biological method and the like, is widely applied to various fields of construction, agriculture, transportation, energy, petrochemical industry, environmental protection, urban landscapes, medical treatment, catering and the like, and is increasingly used in the daily life of common people, and when the sewage is treated by using a chemical method, a chemical dosing device is needed to add reaction liquid medicine into the sewage.

For example, chinese patent publication No. CN217051735U discloses a water pollution abatement is with adding medicine device under water, water pollution abatement is with adding medicine device under water includes that the top is established to open-ended box, stirring chamber and operation chamber have been seted up in the box, stirring chamber is located the top of operation chamber, the top fixed mounting of box has the apron, fixed mounting has two guide tubes on the apron, two guide tubes all with stirring chamber is linked together, the top of box is equipped with the drum, two medicine storage chambers have been seted up in the drum, two discharge gates one have been seted up to the bottom of drum, two one all with the corresponding medicine storage chamber is linked together, the top fixed mounting of box has the support frame. The underwater dosing device for water pollution treatment provided by the utility model has the advantages of accelerating the diffusion speed of the powder, enabling the clear water to be uniformly mixed with the powder and improving the mixing degree of the liquid medicine and sewage.

However, the device has the disadvantage that various sediments or impurities are likely to be mixed in the liquid medicine in the mixing process, and when the liquid medicine is sprayed out of the branch pipe, the sediments or impurities are easy to adhere to the inner wall of the branch pipe, so that the branch pipe is easy to be blocked for a long time, and the administration efficiency of the whole device is reduced.

Accordingly, there is a need to provide a dosing device for sewage treatment that solves the above-mentioned problems.

Disclosure of Invention

The present utility model is directed to a dosing device for sewage treatment, which solves the above-mentioned problems in the prior art.

In order to achieve the above object, the present utility model solves the above technical problems as follows: the utility model provides a dosing device for sewage treatment, includes the water pump, communicates hose and the liquid reserve tank that sets up in the water pump water outlet, hose one end intercommunication is provided with actuating mechanism, actuating mechanism both sides all are provided with sewage rabbling mechanism, the actuating mechanism below is provided with the medicine discharging mechanism, the medicine discharging mechanism is provided with clearance mechanism, when the water pump starts, and the liquid medicine pumps out by the liquid reserve tank, and the liquid medicine flows through actuating mechanism and makes it drive sewage rabbling mechanism work, then the liquid medicine discharges from the medicine discharging mechanism, and then drives clearance mechanism reciprocating motion; after the water pump starts, the sewage treatment liquid medicine is pumped out of the liquid storage tank, the liquid medicine is injected into the driving mechanism through the hose, the driving mechanism provides power for the sewage stirring mechanism to stir sewage, the mixing speed between the liquid medicine and the sewage is accelerated, then the liquid medicine is discharged through the medicine discharging mechanism, and the cleaning mechanism is driven to clean part of the structure in the medicine discharging mechanism, so that the blockage of the medicine discharging mechanism is avoided, and the normal running of the sewage dosing process is ensured.

On the basis of the technical scheme, the utility model can be improved as follows.

As a further scheme of the utility model, a conduit is arranged at the water inlet end of the water pump in a communicated manner, one end of the conduit is communicated with one side of the liquid storage tank, a vertical pipe is arranged at one end of the top of the liquid storage tank in a communicated manner, a stirring motor is fixedly arranged at the center of the top of the liquid storage tank, a stirring shaft is fixedly arranged at the output end of the stirring motor, the bottom end of the stirring shaft is rotationally connected with the bottom end of the inner wall of the liquid storage tank, and the water pump and the bottom of the liquid storage tank are fixedly provided with the same bottom plate, so that the positions of the water pump and the liquid storage tank are conveniently installed and fixed; adding sewage solid treatment medicament and purified water into the liquid storage tank through the vertical pipe, starting the stirring motor to drive the stirring shaft to rotate, enabling the medicament and the purified water to be fully mixed to form sewage treatment liquid medicine, after the water pump is started, pumping the liquid medicine in the liquid storage tank into the water pump through the guide pipe, and enabling the liquid medicine to flow through the hose and enter the driving mechanism.

As a further scheme of the utility model, the driving mechanism comprises a fixed block, a cavity is formed in the fixed block, the shape of the cavity is cylindrical, the axis direction of the cavity is horizontal, a rotating roller is rotatably arranged in the cavity, a plurality of rotating plates are fixedly arranged on the surface of the rotating roller, the side surfaces of the rotating roller are flush with the side surfaces of the rotating plates, the side surfaces of the rotating roller, the rotating plates and the tops of the rotating plates are in contact with the cavity, so that the liquid medicine can better drive the rotating roller and the rotating plates to rotate after entering the cavity, the top of the fixed block is communicated with a liquid inlet pipe, the liquid inlet pipe is communicated with the cavity, and the top of the liquid inlet pipe is fixedly communicated with one end of a hose; when the liquid medicine is injected into the cavity through the liquid inlet pipe, the liquid medicine has thrust to the rotating piece, and then drives the rotating roller to rotate, and then drives the sewage stirring mechanism to work, so that the discharged liquid medicine and sewage are fully mixed.

As a further scheme of the utility model, the sewage stirring mechanism comprises a top plate, wherein two ends of the bottom of the top plate are fixedly provided with vertical plates, one end of each vertical plate is fixedly connected with one side of a fixed block, a first rotating shaft and a second rotating shaft are respectively rotatably arranged at the top end and the bottom end of one side of each vertical plate close to the fixed block, a driving wheel and a driven wheel are respectively sleeved on the surfaces of each first rotating shaft and the second rotating shaft, the driving wheel is in transmission connection with the driven wheel through a conveying belt, one end of each first rotating shaft penetrates through the fixed block and is fixedly connected with one side of a rotating roller, a stirring roller is rotatably arranged between the two vertical plates, a plurality of stirring rods are fixedly arranged on the surface of each stirring roller, and one end of each second rotating shaft penetrates through the vertical plate close to the fixed block and is fixedly connected with one side of the stirring roller; when the rotating roller rotates, the first rotating shaft is driven to rotate, the driving wheel and the driven wheel are driven to rotate, and the stirring roller and the stirring rod are driven to rotate, so that the discharged liquid medicine is fully stirred, the liquid medicine and sewage are fully mixed and reacted, and the sewage treatment effect is improved.

As a further scheme of the utility model, a triangular reinforcing block is fixedly connected at the joint of the fixed block and the top plate; the connection between the top plate and the fixed block can be more stable through the triangular reinforcing block.

As a further scheme of the utility model, the medicine discharging mechanism comprises a liquid accumulating box, the top end of the liquid accumulating box is provided with a mounting hole, the mounting hole is fixedly provided with a spray head, the water outlet end of the spray head is positioned in the liquid accumulating box, the water inlet end of the spray head is communicated with a liquid outlet pipe, the top end of the liquid outlet pipe is fixedly communicated with the center of the bottom of a fixed block, the liquid outlet pipe is communicated with a cavity, the bottom end of the inner wall of the liquid accumulating box is rotationally provided with a disc, the center of the top of the disc is fixedly provided with a water guide table, the shape of the water guide table is conical, the tip end of the water guide table corresponds to the center of the bottom of the spray head, the outer ring of the top of the disc is fixedly provided with a plurality of evenly distributed guide plates, the guide plates are obliquely arranged, the discs can rotate anticlockwise or clockwise according to different placement modes of the guide plates, the two sides of the liquid accumulating box are all communicated with the fixed box, the top of the fixed box is fixedly connected with the outer ring of the bottom of the fixed block through a plurality of connecting rods, one side of the bottom of the fixed box is communicated with a plurality of liquid discharging pipes, one side of the bottom of the liquid discharging pipe is communicated with a plurality of liquid discharging grooves, one side of the liquid discharging plate is provided with one side of the liquid discharging groove, and the liquid discharging mechanism is communicated with one discharging plate; when the rotating roller and the rotating sheet rotate, the rotating sheet drives the liquid medicine to rotate, the liquid medicine flows through the liquid outlet pipe to be sprayed out from the spray head, then the liquid medicine falls on the surface of the water guide table and flows downwards, the liquid medicine is dispersed and continuously flows out from the position between the water guide sheet and the water guide sheet, the liquid medicine can drive the disc and the water guide table to rotate, then the liquid medicine is discharged from the fixed box and flows through the liquid outlet pipe, the liquid outlet plate and the liquid outlet groove to enter sewage, and accordingly the liquid medicine and sewage react to clean the sewage.

As a further scheme of the utility model, the cleaning mechanism comprises a connecting shaft, the top end of the connecting shaft passes through the effusion box and is fixedly connected with the bottom of the disc, the connecting shaft is rotationally connected with the effusion box, a turntable is fixedly arranged at the bottom end of the connecting shaft, a fixing bar is fixedly arranged at one end of the bottom of the turntable far away from the center of the turntable, an annular bar is movably arranged on the surface of the fixing bar, moving bars are fixedly arranged at two sides of the annular bar, a middle plate is fixedly arranged at one end of the moving bar, a plurality of cleaning bars are fixedly arranged at one side of the middle plate, the cleaning bars are connected with a liquid draining groove in an inserting way, a through hole is formed in the top of the cleaning bar, a stop block is fixedly arranged at the top of the liquid draining groove and is contacted with the center position of the through hole, a liquid draining hole is formed at one end of the cleaning bar and is communicated with the through hole, a stabilizing bar is slidably arranged on the surface of the moving bar, and the top of the stabilizing bar is fixedly connected with the other side of the bottom of the fixing box; when the water pump is not started, the surface of the cleaning strip is in contact with the liquid drain groove, one side end surface of the cleaning strip is positioned on the side surface of the bottom end of the liquid drain pipe, the bottom end of the liquid drain pipe is not shielded, the stop block is positioned at the center position of the through hole, when the liquid medicine flows through the water guide table to drive the disc to rotate anticlockwise, the connecting shaft and the rotary table are driven to start rotating, the fixing strip is driven to rotate, the annular strip is driven to move leftwards along the horizontal direction, the moving rod positioned at the left side is driven to move leftwards along the horizontal direction, the middle plate is driven to move, the cleaning strip is driven to slide along the inner wall of the liquid drain groove, solid sediment attached to the inner wall of the liquid drain groove is scraped and cleaned, in the process, the liquid medicine flows through the through hole and the liquid Kong Zhaochang to be discharged into sewage, when the rotary table turns a quarter circle, meanwhile, one end of the through hole of the cleaning strip positioned at the right side is contacted with the stop block, the two cleaning strips recover the state without the liquid medicine flowing after passing through the next half circle, the inner wall of the cleaning strip is driven to rotate, the solid sediment is prevented from being blocked by the inner wall of the liquid drain groove, and the sediment is prevented from being blocked up, and the sediment is prevented from being adhered to the inner surface of the liquid drain groove.

As a further scheme of the utility model, the counterweight mechanism comprises a fixed plate, wherein straight rods are fixedly arranged at two ends of the top of the fixed plate, the top ends of the straight rods are fixedly connected with the bottom of the liquid discharge plate, and a counterweight block is fixedly arranged at the center of the bottom of the fixed plate; the balancing weight has certain weight, can keep structures such as fixed block and hydrops box to be in vertical state, is convenient for sewage stirring process's normal clear, and can avoid flowing back board and puddler direct contact sewage treatment pond etc. place's bottom to cause the damage of flowing back board and puddler.

Compared with the prior art, the utility model has the beneficial effects that: through connecting axle, carousel, movable rod and clearance strip, the clearance strip slides along the inner wall of flowing back groove, scrapes attached deposit or impurity at flowing back groove inner wall adhesion, avoids deposit or impurity deposit in the inside of flowing back board, guarantees the unobstructed of flowing back groove, guarantees going on in succession of the process of dosing.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a schematic sectional view of a chemical dosing apparatus for sewage treatment according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a drug discharging mechanism and a cleaning mechanism of a drug administration device for sewage treatment according to the present utility model;

FIG. 3 is a schematic view of a first perspective of a drug discharging mechanism and a cleaning mechanism in the drug dispensing device for sewage treatment shown in FIG. 1;

FIG. 4 is a schematic view of a second view of the drug discharging mechanism and the cleaning mechanism of the drug dispensing device for sewage treatment shown in FIG. 1;

FIG. 5 is a schematic view of a sewage stirring mechanism in the chemical dosing apparatus for sewage treatment shown in FIG. 2;

fig. 6 is a schematic plan view showing an internal structure of a liquid accumulation box in the administration device for sewage treatment provided in fig. 2.

In the drawings, the list of components represented by the various numbers is as follows:

1. a water pump; 2. a hose; 3. a liquid storage tank; 4. a conduit; 5. a stirring motor; 6. a fixed block; 7. a rotating roller; 8. a rotating piece; 9. a top plate; 10. a riser; 11. a first rotating shaft; 12. a driving wheel; 13. driven wheel; 14. a conveyor belt; 15. a stirring roller; 16. a stirring rod; 17. a dropsy box; 18. a spray head; 19. a liquid outlet pipe; 20. a disc; 21. a water guiding table; 22. a deflector; 23. a fixed box; 24. a connecting rod; 25. a liquid discharge pipe; 26. a liquid discharge plate; 27. a liquid discharge tank; 28. a connecting shaft; 29. a turntable; 30. a fixing strip; 31. an annular strip; 32. a moving rod; 33. an intermediate plate; 34. cleaning the strip; 35. a through hole; 36. a liquid outlet hole; 37. a stabilizing rod; 38. a fixing plate; 39. a straight rod; 40. balancing weight; 41. triangular reinforcing blocks; 42. a bottom plate; 43. and a stop block.

Detailed Description

Example 1:

referring to fig. 1 to 6, an embodiment of the utility model provides a chemical dosing device for sewage treatment, which comprises a water pump 1, a hose 2 and a liquid storage tank 3, wherein the hose 2 and the liquid storage tank 3 are communicated and arranged at a water outlet end of the water pump 1, one end of the hose 2 is communicated and provided with a driving mechanism, both sides of the driving mechanism are provided with sewage stirring mechanisms, a medicine discharging mechanism is arranged below the driving mechanism, the medicine discharging mechanism is provided with a cleaning mechanism, when the water pump 1 is started, medicine liquid is pumped out from the liquid storage tank 3, the medicine liquid flows through the driving mechanism to drive the sewage stirring mechanism to work, then the medicine liquid is discharged from the medicine discharging mechanism, and the cleaning mechanism is driven to reciprocate; after the water pump 1 starts, pump out sewage treatment liquid medicine from the liquid storage tank 3, liquid medicine pours into actuating mechanism in the hose 2, actuating mechanism provides power for sewage rabbling mechanism, stirs sewage for the mixed speed between liquid medicine and the sewage, and the liquid medicine is discharged through arranging medicine mechanism afterwards, and then drives clearance mechanism and clear up the partial structure in arranging medicine mechanism, thereby avoids arranging medicine mechanism to block up, guarantees the normal clear of sewage dosing process.

In this embodiment, preferably, the water inlet end of the water pump 1 is provided with a conduit 4 in a communicating manner, one end of the conduit 4 is communicated with one side of the liquid storage tank 3, one end of the top of the liquid storage tank 3 is provided with a vertical pipe in a communicating manner, the center of the top of the liquid storage tank 3 is fixedly provided with a stirring motor 5, the output end of the stirring motor 5 passes through the liquid storage tank 3 and is fixedly provided with a stirring shaft, the bottom end of the stirring shaft is rotationally connected with the bottom end of the inner wall of the liquid storage tank 3, the water pump 1 and the bottom of the liquid storage tank 3 are fixedly provided with the same bottom plate 42, so that the positions of the water pump 1 and the liquid storage tank 3 are conveniently installed and fixed; adding sewage solid treatment medicament and purified water into the liquid storage tank 3 through the vertical pipe, starting the stirring motor 5 to drive the stirring shaft to rotate, enabling the medicament and the purified water to be fully mixed to form sewage treatment liquid medicine, after the water pump 1 is started, pumping the liquid medicine in the liquid storage tank 3 into the water pump 1 through the guide pipe 4, and enabling the liquid medicine to flow through the hose 2 and enter the driving mechanism.

In this embodiment, preferably, the driving mechanism includes a fixed block 6, a cavity is formed in the fixed block 6, the shape of the cavity is cylindrical, the axis direction of the cavity is horizontal, a rotating roller 7 is rotatably arranged in the cavity, a plurality of rotating pieces 8 are fixedly arranged on the surface of the rotating roller 7, the side surfaces of the rotating roller 7 are flush with the side surfaces of the rotating pieces 8, and the side surfaces of the rotating roller 7, the rotating pieces 8 and the top of the rotating pieces 8 are in contact with the cavity, so that after the liquid medicine enters the cavity, the rotating roller 7 and the rotating pieces 8 can be driven to rotate better, a liquid inlet pipe is communicated with the top of the fixed block 6, and the top of the liquid inlet pipe is fixedly communicated with one end of the hose 2; when the liquid medicine is injected into the cavity through the liquid inlet pipe, the liquid medicine has thrust to the rotating piece 8, and then drives the rotating roller 7 to rotate, and further drives the sewage stirring mechanism to work, so that the discharged liquid medicine and sewage are fully mixed.

In this embodiment, preferably, the sewage stirring mechanism includes a top plate 9, two ends of the bottom of the top plate 9 are fixedly provided with a vertical plate 10, one end of the vertical plate 10 is fixedly connected with one side of a fixed block 6, the top end and the bottom end of one side of the vertical plate 10 close to the fixed block 6 are respectively provided with a first rotating shaft 11 and a second rotating shaft in a rotating manner, the surfaces of the first rotating shaft 11 and the second rotating shaft are respectively sleeved with a driving wheel 12 and a driven wheel 13, the driving wheel 12 and the driven wheel 13 are in transmission connection through a conveying belt 14, one end of the first rotating shaft 11 penetrates through the fixed block 6 to be fixedly connected with one side of a rotating roller 7, a stirring roller 15 is rotatably arranged between the two vertical plates 10, a plurality of stirring rods 16 are fixedly arranged on the surface of the stirring roller 15, and one end of the second rotating shaft penetrates through the vertical plate 10 close to the fixed block 6 to be fixedly connected with one side of the stirring roller 15; when the rotating roller 7 rotates, the first rotating shaft 11 is driven to rotate, the driving wheel 12 and the driven wheel 13 are driven to rotate, and the stirring roller 15 and the stirring rod 16 are driven to rotate, so that the discharged liquid medicine is fully stirred, the liquid medicine and sewage are fully mixed and reacted, and the sewage treatment effect is improved.

In this embodiment, preferably, the connection between the fixing block 6 and the top plate 9 is fixedly connected with a triangular reinforcing block 41; the connection between the top plate 9 and the fixed block 6 can be made more stable by the triangular reinforcing block 41.

In this embodiment, preferably, the medicine discharging mechanism includes a liquid accumulating box 17, a mounting hole is provided at the top end of the liquid accumulating box 17, a spray head 18 is fixedly provided at the mounting hole, a water outlet end of the spray head 18 is located inside the liquid accumulating box 17, a water inlet end of the spray head 18 is communicated with a liquid outlet pipe 19, a top end of the liquid outlet pipe 19 is fixedly communicated with a bottom center of a fixed block 6, the liquid outlet pipe 19 is communicated with a cavity, a disk 20 is rotatably provided at a bottom end of an inner wall of the liquid accumulating box 17, a water guide table 21 is fixedly provided at a top center of the disk 20, the water guide table 21 is conical in shape, a tip end of the water guide table 21 corresponds to a bottom center of the spray head 18, a plurality of evenly distributed guide plates 22 are fixedly provided at an outer ring of the disk 20, the guide plates 22 are obliquely placed, the disk 20 can rotate anticlockwise or clockwise according to different placement modes of the guide plates 22, two sides of the liquid accumulating box 17 are respectively communicated with a fixed box 23, the top of the fixed box 23 is fixedly connected with the bottom outer ring of the fixed block 6 through a plurality of connecting rods 24, a plurality of liquid discharge pipes 25 are communicated with one side of the bottom of the fixed box 23, a plurality of liquid discharge plates 25 are arranged, a bottom plate 26 is communicated with a plurality of liquid discharge plates 26 are arranged at one side of the bottom of the fixed plate 26, and a plurality of liquid discharge plates 27 are communicated with the bottom plate 27; when the rotating roller 7 and the rotating sheet 8 rotate, the rotating sheet 8 drives the liquid medicine to rotate, the liquid medicine flows through the liquid outlet pipe 19 and is sprayed out from the spray head 18, then the liquid medicine falls on the surface of the water guide table 21 and flows downwards, the liquid medicine is dispersed and continuously flows out from between the water guide sheets 22 and 22, the liquid medicine can drive the disc 20 and the water guide table 21 to rotate, then the liquid medicine is discharged from the fixed box 23 and flows into sewage through the liquid outlet pipe 25, the liquid outlet plate 26 and the liquid outlet groove 27, and accordingly the liquid medicine reacts with the sewage to clean the sewage.

Example 2:

referring to fig. 1 to 4 and fig. 6, in the first embodiment, the cleaning mechanism includes a connecting shaft 28, the top end of the connecting shaft 28 passes through the effusion box 17 and is fixedly connected with the bottom of the disc 20, the connecting shaft 28 is rotationally connected with the effusion box 17, a turntable 29 is fixedly arranged at the bottom end of the connecting shaft 28, a fixing bar 30 is fixedly arranged at one end of the bottom of the turntable 29 far away from the center of the turntable 29, an annular bar 31 is movably arranged on the surface of the fixing bar 30, moving bars 32 are fixedly arranged at two sides of the annular bar 31, an intermediate plate 33 is fixedly arranged at one end of the moving bar 32, a plurality of cleaning bars 34 are fixedly arranged at one side of the intermediate plate 33, the cleaning bars 34 are connected with a drain groove 27 in a penetrating way, a through hole 35 is formed at the top of the cleaning bars 34, a stop block 43 is fixedly arranged at the top of the drain groove 27 and is contacted with the center position of the through hole 35, a drain hole 36 is formed at one end of the cleaning bars 34, the drain hole 36 is communicated with the through hole 35, a stabilizing bar 37 is slidingly arranged at the surface of the moving bar 32, and the top of the stabilizing bar 37 is fixedly connected with the other side of the bottom of the fixing box 23; when the water pump 1 is not started, the surface of the cleaning strip 34 is in contact with the liquid drain groove 27, one side end surface of the cleaning strip 34 is positioned on the side surface of the bottom end of the liquid drain groove 25, the bottom end of the liquid drain groove 25 is not shielded, the stop block 43 is positioned at the center of the through hole 35, when the liquid medicine flows through the water guide table 21 to drive the disc 20 to rotate anticlockwise, the connecting shaft 28 and the rotary table 29 are driven to start rotating, the fixing strip 30 is driven to rotate, the annular strip 31 is driven to move leftwards and rightwards, the moving rod 32 positioned on the left side is driven to move leftwards along the horizontal direction, the middle plate 33 is driven to move, the cleaning strip 34 is driven to slide along the inner wall of the liquid drain groove 27, solid sediment attached to the inner wall of the liquid drain groove 27 is scraped and cleaned, in the process, the liquid medicine flows through the through hole 35 and the liquid outlet hole 36 to be normally discharged into sewage, when the rotary table 29 turns a quarter circle, meanwhile, one end of the through hole 35 positioned on the right side of the cleaning strip 34 is driven to contact with the stop block 43, the inner wall of the liquid medicine groove 27 is driven by the next quarter circle, the inner wall of the liquid medicine is not blocked by the liquid sediment at the inner wall of the liquid drain groove 27, and the inner wall of the liquid drain groove 27 is prevented from being blocked by the inner wall of the liquid sediment at the time when the liquid medicine is not flowing, and the sediment is recovered, and the sediment is prevented from flowing and being blocked by the sediment at the inner side of the inner wall of the liquid drain groove 27.

In this embodiment, preferably, the counterweight mechanism includes a fixed plate 38, two ends of the top of the fixed plate 38 are fixedly provided with a straight rod 39, the top end of the straight rod 39 is fixedly connected with the bottom of the liquid draining plate 26, and the center of the bottom of the fixed plate 38 is fixedly provided with a counterweight 40; the balancing weight 40 has a certain weight, can keep the structures such as the fixed block 6, the effusion box 17 and the like in a vertical state, is convenient for the normal running of the sewage stirring process, and can avoid the damage of the liquid discharge plate 26 and the stirring rod 16 caused by the direct contact of the liquid discharge plate 26 and the stirring rod 16 with the bottoms of places such as a sewage treatment tank and the like.

The working principle of the utility model is as follows: adding sewage solid treatment medicament and purified water into the liquid storage tank 3 through a vertical pipe, starting the stirring motor 5 to drive the stirring shaft to rotate, enabling the medicament and the purified water to be fully mixed to form sewage treatment medicament, starting the water pump 1, pumping the medicament in the liquid storage tank 3 into the water pump 1 through the guide pipe 4, enabling the medicament to flow through the hose 2 into a cavity, enabling the medicament to push the rotating plate 8 to rotate, enabling the medicament to flow through the liquid outlet pipe 19 and spray out from the spray head 18, enabling the medicament to fall on the surface of the water guide table 21 and then flow downwards, dispersing, continuing to flow out from between the guide plate 22 and the guide plate 22, then discharging the medicament from the fixed box 23, enabling the medicament to flow through the liquid discharge pipe 25, the liquid discharge plate 26 and the liquid discharge groove 27 to enter sewage, enabling the first rotating shaft 11 to rotate when the rotating roller 7 rotates, enabling the driving wheel 12 and the driven wheel 13 to rotate, and enabling the stirring roller 15 and the stirring rod 16 to rotate, so as to fully stir the discharged liquid medicine, at the same time, when the liquid medicine flows through the water guide table 21 to drive the disc 20 to rotate anticlockwise, then the connecting shaft 28 and the rotary table 29 are driven to start rotating, then the fixed bar 30 is driven to rotate, then the annular bar 31 is driven to move leftwards and rightwards along the horizontal direction, then the moving bar 32 positioned at the left side is driven to move leftwards and then the middle plate 33 is driven to move, and then the cleaning bar 34 is driven to slide along the inner wall of the liquid discharge groove 27, so as to scrape and clean solid sediment attached to the inner wall of the liquid discharge groove 27, in the process, the liquid medicine flows through the through hole 35 and the liquid outlet hole 36 to be discharged into sewage as usual, when the rotary table 29 turns a quarter circle, the cleaning bar 34 positioned at the left side pushes the sediment in the liquid discharge groove 27 out of the liquid discharge groove 27, at the same time, one end of the through hole 35 of the cleaning bar 34 positioned at the right side is contacted with the stop block 43, after the next quarter turn, the two cleaning bars 34 are restored to the state where no liquid medicine flows, and the following half turn of the turntable 29 rotates, so that the cleaning bar 34 located on the right pushes the sediment attached to the inner wall of the liquid discharge groove 27 on the right out of the liquid discharge plate 26, and so on and so forth.

Claims

1. The chemical dosing device for sewage treatment comprises a water pump, a hose and a liquid storage tank, wherein the hose and the liquid storage tank are communicated with each other, the chemical dosing device is arranged at the water outlet end of the water pump, one end of the hose is communicated with a driving mechanism, sewage stirring mechanisms are arranged at two sides of the driving mechanism, a chemical discharging mechanism is arranged below the driving mechanism, and a cleaning mechanism is arranged on the chemical discharging mechanism; the driving mechanism comprises a fixed block, a cavity is formed in the fixed block, a rotating roller is rotatably arranged in the cavity, a plurality of rotating sheets are fixedly arranged on the surface of the rotating roller, a liquid inlet pipe is communicated with the top of the fixed block, and the top end of the liquid inlet pipe is fixedly communicated with one end of a hose; the medicine discharging mechanism comprises a liquid accumulating box, a mounting hole is formed in the top end of the liquid accumulating box, a spray head is fixedly arranged in the mounting hole, a liquid outlet pipe is arranged at the water inlet end of the spray head in a communicated mode, the top end of the liquid outlet pipe is fixedly communicated with the center of the bottom of a fixed block, a disc is rotatably arranged at the bottom end of the inner wall of the liquid accumulating box, a water guide table is fixedly arranged at the center of the top of the disc, a plurality of evenly distributed guide plates are fixedly arranged on the outer ring of the top of the disc, a fixed box is arranged on two sides of the liquid accumulating box in a communicated mode, the top of the fixed box is fixedly connected with the outer ring of the bottom of the fixed block through a plurality of connecting rods, a plurality of liquid discharging pipes are arranged on one side of the bottom of the fixed box in a communicated mode, a plurality of liquid discharging grooves are formed in one side of the liquid discharging plates, and a counterweight mechanism is arranged at the bottom of the liquid discharging plates; the cleaning mechanism comprises a connecting shaft, the front end of the connecting shaft penetrates through the hydrops box to be fixedly connected with the bottom of the disc, a turntable is arranged at the bottom end of the connecting shaft, a fixing bar is fixedly arranged at one end of the bottom of the turntable, which is far away from the center of the turntable, an annular bar is movably arranged on the surface of the fixing bar, moving bars are fixedly arranged on two sides of the annular bar, a middle plate is fixedly arranged at one end of the moving bar, a plurality of cleaning bars are fixedly arranged on one side of the middle plate, the cleaning bars are connected with a liquid draining groove in a penetrating mode, through holes are formed in the top of the cleaning bars, a stop block is fixedly arranged at the top of the liquid draining groove and is in contact with the center of the through holes, a liquid outlet is formed in one end of the cleaning bars, a stabilizing bar is slidably arranged on the surface of the moving bar, and the top of the stabilizing bar is fixedly connected with the other side of the bottom of the fixing box.

2. The dosing device for sewage treatment according to claim 1, wherein a conduit is arranged at the water inlet end of the water pump in a communicating manner, one end of the conduit is communicated with one side of the liquid storage tank, a vertical pipe is arranged at one end of the top of the liquid storage tank in a communicating manner, a stirring motor is fixedly arranged at the center of the top of the liquid storage tank, a stirring shaft is fixedly arranged at the output end of the stirring motor through the liquid storage tank, and the same bottom plate is fixedly arranged at the bottom of the water pump and the bottom of the liquid storage tank.

3. The chemical dosing device for sewage treatment according to claim 2, wherein the sewage stirring mechanism comprises a top plate, vertical plates are fixedly arranged at two ends of the bottom of the top plate, one end of each vertical plate is fixedly connected with one side of a fixed block, a first rotating shaft and a second rotating shaft are respectively rotatably arranged at the top end and the bottom end of one side of each vertical plate, which are close to the fixed block, the surfaces of the first rotating shaft and the second rotating shaft are respectively sleeved with a driving wheel and a driven wheel, the driving wheels are in transmission connection with the driven wheels through a conveying belt, one end of each first rotating shaft penetrates through the fixed block to be fixedly connected with one side of a rotating roller, stirring rollers are rotatably arranged between the two vertical plates, a plurality of stirring rods are fixedly arranged on the surfaces of the stirring rollers, and one end of each second rotating shaft penetrates through the vertical plates, which are close to the fixed block, to one side of the stirring rollers.

4. A dosing device for sewage treatment according to claim 3, wherein the connection between the fixing block and the top plate is fixedly connected with a triangular reinforcing block.

5. The dosing device for sewage treatment according to claim 4, wherein the counterweight mechanism comprises a fixed plate, straight rods are fixedly arranged at two ends of the top of the fixed plate, the top ends of the straight rods are fixedly connected with the bottom of the liquid discharge plate, and a counterweight is fixedly arranged at the center of the bottom of the fixed plate.